<template>
  <view class="cart-container" v-if="cart.length !== 0">
    <!-- 收货地址 -->
    <my-address></my-address>
    <!-- 购物车商品列表的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 描述文本 -->
      <text class="cart-title-text">购物车</text>
    </view>

    <!-- 购物车列表 -->
    <uni-swipe-action>
      <block v-for="(item, index) in cart" :key="index">
        <uni-swipe-action-item :options="options">
          <my-goods :goods="item" :showRadio="true" :showNum="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
          <template v-slot:right>
            <view class="slot-button" @click="deleteGoodsHandler(item)"><text class="slot-button-text">删除</text></view>
          </template>
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>

    <!-- 结算区域 -->
    <my-settle></my-settle>
  </view>

  <!-- 空白购物车区域 -->
  <view class="empty-cart" v-else>
    <image src="/static/cart_empty@2x.png" class="empty-img"></image>
    <text class="tip-text">空空如也~</text>
  </view>
</template>

<script>
import badgeMix from '@/mixins/tabbar-badge.js';
import { mapState, mapMutations } from 'vuex';
export default {
  name: 'CartPage',
  mixins: [badgeMix],
  computed: {
    ...mapState('m_cart', ['cart'])
  },
  components: {},
  data() {
    return {
      options: [
        {
          text: '删除',
          style: {
            backgroundColor: '#c00000'
          }
        }
      ]
    };
  },
  created() {},
  mounted() {},
  methods: {
    ...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount', 'deleteGoodsById']),
    radioChangeHandler(goods) {
      console.log(goods);
      this.updateGoodsState(goods);
    },
    numberChangeHandler(goods) {
      console.log(goods);
      this.updateGoodsCount(goods);
    },
    deleteGoodsHandler(goods) {
      console.log(goods);
      this.deleteGoodsById(goods);
    }
  }
};
</script>

<style lang="scss">
.cart-container {
  padding-bottom: 50px;
}
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
    margin-left: 10px;
  }
}
.slot-button {
  /* #ifndef APP-NVUE */
  display: flex;
  height: 100%;
  /* #endif */
  flex: 1;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
  background-color: #c00000;
}

.slot-button-text {
  color: #ffffff;
  font-size: 14px;
}
.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;
  .empty-img {
    width: 90px;
    height: 90px;
  }
  .tip-text {
    font-size: 12px;
    color: gray;
    margin-top: 15px;
  }
}
</style>
